Senior Development Engineer - RF Design
Coherent Corp. · Berlin, DE
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Senior Development Engineer - RF Design
Berlin, Deutschland (Hybrid)
Als Erster bewerben
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Company Profile
Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems. We deliver innovations that resonate with our customers in diversified applications for the industrial, communications, electronics, and instrumentation markets. Headquartered in Saxonburg, Pennsylvania, Coherent has research and development, manufacturing, sales, service, and distribution facilities worldwide. For more information, please visit us at
The Finisar Germany GmbH, a Coherent subsidiary serves multiple businesses within Coherent. One focus area is the development of leading-edge high performance, high capacity optical front-end solutions for long reach optical transmission. A special field is utilizing advanced photonic technologies in support of driving highly integrated coherent products. Another focus area is high speed detectors, scaling up to frequencies of up to 100GHz, utilized in research and test & measurement but more and more in communication applications too.
We owe our worldwide technological leadership to the profound knowledge and experience of our employees. This awareness characterizes our corporate culture - which is open and communicative and ensures trusting cooperation. Each individual contributes to the companys success with his or her knowledge and responsibility. The passion and commitment of our team are the engine of our company!
Job Description
Lead RF design and development activities for optical subassemblies (OSAs) and optoelectronic modules supporting next-generation high-speed and terahertz communication products
Develop innovative RF interconnect and packaging concepts for coherent optical transceivers, photonic integrated circuit (PIC)-based products and advanced optical modules
Design, simulate and optimize high-frequency RF transmission structures operating in the multi-gigahertz and terahertz frequency range, considering signal integrity, loss mechanisms, manufacturability, reliability and cost
Define RF specifications and interface requirements for optical modules and coordinate technical requirements with internal teams, suppliers and customers
Evaluate and optimize critical RF interfaces such as bump bonds, wire bonds, package transitions, substrates/PCBs and connector interfaces
Support design-for-manufacturing (DFM) activities with suppliers and manufacturing partners to ensure robust and scalable production solutions
Assess the impact of optical transceiver assembly processes and manufacturing tolerances on RF performance and product reliability
Present RF design concepts, simulation results, technical analyses and recommendations to cross-functional development teams and management
Qualifications
Master or PHD degree in Electrical Engineering, RF/Microwave Engineering, Physics or a related field
5+ years of experience in RF design and development with a strong focus on high-frequency microwave and millimeter-wave applications
Proven experience in RF transmission line design, impedance matching, signal integrity analysis and electromagnetic simulation
Strong understanding of high-frequency packaging technologies and critical RF interfaces, including bump bonding, wire bonding and package transitions
Knowledge of optical transceiver architectures, optoelectronic packaging, substrate/PCB design and the impact of assembly processes and tolerances on RF performance
Experience with RF simulation and EM modeling tools; hands-on experience with AWR Microwave Office and CST Studio Suite or similar RF simulation tools is highly desirable
Familiarity with DFM principles and collaboration with external suppliers
Experience working with high-speed optical communication products, coherent optical technologies, PIC-based products or advanced packaging solutions is an advantage
Strong analytical and problem-solving skills with the ability to communicate complex technical concepts effectively
Strong communication skills in English and the ability to work effectively in multidisciplinary and international teams; German language skills are a plus
Experience supporting customer-facing technical discussions and supplier qualification activities
Familiarity with co-design approaches involving RF, optical, mechanical and manufacturing disciplines
Your Chance
We offer an interesting and diversified opportunity in an internationally minded engineering team of a market-leading high-tech company in the field of high-speed optoelectronic components. You will find a creative and productive work atmosphere in a flexible work environment that shares the desire to succeed and a fascination for technical challenges and technological progress. We provide the following additional benefits:
Flexible working hours
30 vacation days (overtime on top)
Health benefits package including additional health insurance or fitness program
Financial support for public transport
Bike lease program
Bonus and private pension scheme
Your Application
If you are interested, then please apply using the button below. We are looking forward to hearing from you.